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參數(shù)資料
| 型號： | ICS950401YF-T |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 220 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 0.300 INCH, MO-118, SSOP-48 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 108K |
| 代理商： | ICS950401YF-T |
Integrated
Circuit
Systems, Inc.
ICS950401
0499C—11/01/04
Block Diagram
Functionality
Pin Configuration
Recommended Application:
AMD K8 Systems
Output Features:
2 - Differential pair push-pull CPU clocks @ 3.3V
7 - PCI (Including 1 free running) @3.3V
3 - Selectable HT/PCI 66/33MHz @3.3V
1 - 48MHz, @3.3V fixed.
1 - 24/48MHz @ 3.3V
3 - REF @3.3V, 14.318MHz.
Features:
Up to 220MHz frequency support
Support power management: PCI stop and stop
clocks controlled by I
2C.
Spread spectrum for EMI reduction
Uses external 14.318MHz crystal
I
2C programmability features
Supports Hypes transport technology (HT66 output).
AMD - K8 System Clock Chip
*FS0/REF0 1
48 REF1/FS1*
VDDREF 2
47 GND
X1 3
46 VDDREF
X2 4
45 REF2/FS2*
GND 5
44 SPREAD*
*PCI33/HT66SEL# 6
43 VDDA
PCICLK33/HT66_0 7
42 GNDA
PCICLK33/HT66_1 8
41 CPUCLKT0
VDDPCI 9
40 CPUCLKC0
GND 10
39 GND
PCICLK33/HT66_2 11
38 VDDCPU
NC 12
37 CPUCLKT1
PCICLK0 13
36 CPUCLKC1
PCICLK1 14
35 VDD
GND 15
34 GND
VDDPCI 16
33 GNDA
PCICLK2 17
32 VDDA
PCICLK3 18
31 48MHz
VDDPCI 19
30 GND
GND 20
29 VDD
PCICLK4 21
28 24_48MHz/Sel24_48#*
PCICLK5 22
27 GND
PCICLK_F 23
26 SDATA
*PCI_STOP# 24
25 SCLK
48-SSOP/ TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
IC
S
950401
FS2
FS1
FS0
PCI33_HT66
SEL#
CPU
PCI33
PCI33_HT66
COMMENTS
0
X
Hi-Z
Tri-State Mode
0
1
0
X
X/6
X/3
Bypass Mode
0
1
X
X/6
Bypass Mode
0
1
0
X
180.00
30.00
60.00
10% under-clk
0
1
X
220.00
36.56
73.12
10% over-clk
1
0
X
100.00
33.33
33.33/66.66
Athlon Compatible
1
0
1
X
133.33
33.33
33.33/66.66
Athlon Compatible
1
0
X
166.66
33.33
33.33/66.66
Reserved
1
X
200.00
33.33
33.33/66.66
Hammer Operation
PLL2
PLL1
Spread
Spectrum
PCICLK (5:0)
CPUCLKT (1:0)
CPUCLKC (1:0)
X1
X2
XTAL
OSC
CPU
DIVDER
PCI
DIVDER
Stop
SDATA
SCLK
FS (2:0)
SPREAD
24_48SEL#
PCI33/HT66SEL#
PCI_STOP#
Control
Logic
REF (2:0)
48MHz
24_48MHz
/ 2
PCICLK_F
PCICLK33/HT66(2:0)
X 2
Config.
Reg.
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